SCIM 2.0

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Full Title or Meme

System for Cross-domain Identity Management is a means to enable flows of User Private Information from one Web Site to another.


SCIM is a specification designed to reduce the complexity of user management operations by providing a common user schema and the patterns for exchanging such schema using HTTP in a platform-neutral fashion. The aim of SCIM is achieving interoperability, security, and scalability in the context of identity management.

Developers can think of SCIM merely as a REST API with endpoints exposing CRUD functionality (create, read, update and delete).

The standard is governed by the following IETF documents: RFC 7642, RFC 7643, and RFC 7644.


Clearly, this API must not be anonymously accessed. However, the basic SCIM standard does not define a specific mechanism to prevent unauthorized requests to endpoints. There are just a few guidelines in section 2 of RFC 7644 concerned with authentication and authorization.